Trimec^® 992 Broadleaf Herbicide provides rapid control of clover, dandelion, knotweed, henbit, chickweed, plantain, spurge, and many other listed broadleaf weeds. Developed for the professional lawn care operator, Trimec 992 is formulated to reduce costs and provide effective control – some weeds begin to show injury within hours. Trimec 992 is rainfast in as little as eight hours, and treated areas can be reseeded in three weeks.